ICS9148-36 Datasheet, PDF (12/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9148 - 36
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
TYP
Output High Voltage V_OH2A I_OH = -28 mA
2.5
2.6
Output Low Voltage V_OL2A I_OL = 27 mA
0.35
Output High Current I_OH2A V_OH = 2.0 V
-29
Output Low Current
I_OL2A V_OL = 0.8 V
33
37
Rise Time
t_r2A1 V_OL = 0.4 V, V_OH = 2.4 V
1.75
Fall Time
t_f2A1 V_OH = 2.4 V, V_OL = 0.4 V
1.1
Duty Cycle
d_t2
1
A
V_T = 1.5 V
45
50
Skew
t_sk
1
2A
V_T = 1.5 V
50
Jitter, One Sigma
Jitter, Absolute
t_j1s2A1
t_jab
1
s2A
V_T = 1.5 V
V_T = 1.5 V
65
-250
165
1_{Guaranteed by design, not 100% tested in production.}
MAX
0.4
-23
2
2
55
250
150
250
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
ps
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
TYP
MAX
Output High Voltage VOH2B I_OH = -8 mA
2
2.2
Output Low Voltage VOL2B I_OL = 12 mA
0.3
0.4
Output High Current IOH2B V_OH = 1.7 V
-20
-16
Output Low Current IOL2B V_OL = 0.7 V
19
Rise Time
tr2B¹ V_OL = 0.4 V, V_OH = 2.0 V
Fall Time
tf2B¹ V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
dt2B¹ V_T = 1.25 V
40
Skew
tsk2B¹ V_T = 1.25 V
26
1.5
1.8
1.6
1.8
50
55
60
250
Jitter, Single Edge
Displacement²
Jitter, One Sigma
Jitter, Absolute
tjsed2B¹
tj1s2B¹
tjabs2B¹
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V
200
250
65
150
-250
160
250
1 _{Guaranteed by design, not 100% tested in production.}
2 _{Edge displacement of a period relative to a 10-clock-cycle rolling average period.}
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
ps
ps
12